Never fumble with sliding glass doors again while carrying items. Easy to install: no tools required sets up in minutes keeps fly bugs and pests out while letting in fresh air uses 20 high-powered magnets to securely open and magically close behind you fits standard single and sliding doors measures (2) 83in x 19.5in screen panels, 12 hook & loop strips, and 20 wood tacks. MAGNA MESH SCREEN HAS 20 MAGNETS (Box may vary) (2 pack, 40 Magnets) Additional Details ------------------------------ Product description: Never fumble with sliding glass doors again while carrying items. Easy to install: no tools required sets up in minutes keeps fly bugs and pests out while letting in fresh air uses 20 high-powered magnets to securely open and magically close behind you fits standard single and sliding doors measures (2) 83in x 19.5in screen panels, 12 hook & loop strips, and 20 wood tacks. MAGNA MESH SCREEN HAS 20 MAGNETS (Box may vary) (2 pack, 40 Magnets)